21044012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{478273}}^1$

素因数の和:478288

約数の個数: 12

約数和(自身を含む): 40175016

約数和(自身を除く): 19131004

約数列:

[1, 2, 4, 11, 22, 44, 478273, 956546, 1913092, 5261003, 10522006, 21044012]

約数ペア:

[(1, 21044012), (2, 10522006), (4, 5261003), (11, 1913092), (22, 956546), (44, 478273)]